Answer :
Final answer:
Carbohydrates in cell membranes act as identification labels for cell recognition.
Explanation:
Carbohydrates are embedded in the cell membrane as glycoproteins or glycolipids, serving as labels that identify cell types. These carbohydrate chains play a crucial role in cell recognition, allowing cells to differentiate between 'self' and 'non-self' cells, aiding in immune system function.
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